For passenger ships that also carry a small amount of goods, they are also called passenger and cargo ships. Most of the passenger ships are scheduled, so they are also called liners or cruise ships. The passenger ship is characterized by a multi-storey deck superstructure, complete dining room, health and entertainment facilities, and sufficient life-saving equipment, fire-fighting equipment and communication equipment. Some passenger ships are also equipped with anti-rolling devices to improve the navigation environment.

Passenger ships refer to ships specially used for transporting passengers and their luggage and mail. Those carrying more than 12 passengers shall be regarded as passenger ships. With the development of long-distance air transport, passenger ships have gradually turned to short-distance transport and tourism services.